
M3 miniature pump series
Model: M3
Scan via WeChatPurchasing Information
PURCHASING INFORMATIONMOQ
1 pc
Min. Order Qty / pcs
FOB
EXW WUHAN
Port of Delivery / China
Lead Time
15 days
from deposit receipt
Lightweight and compact single-drive single-acting pneumatic liquid pump with spring return, operable both pneumatically and manually, maximum output pressure up to 25,000 psi (1723 bar)
Nine pressure ratios (5.6:1 ~ 237:1) are available. The maximum output pressure reaches 25,000 psi (1723 bar) and the maximum flow rate is 8.3 L/min. It is compatible with various media including hydraulic oil, ordinary water/deionized water, solvents, mild chemicals and liquefied gases, and is widely applied in fields such as pressure testing, fluid transfer, wellhead control and industrial power.
Product Information
Product OverviewSingle-Drive Single-Acting · Maximum Output Pressure 25,000 psi (1723 bar)
Product Features
- Single-drive single-acting structure, lightweight and compact for easy installation
- 9 optional boost ratios to meet multi-level pressure requirements
- Maximum output pressure 25,000 psi (1723 bar), maximum flow rate 8.3 L/min
- Optional seal materials for different media and working conditions
- Drive air pressure range: 10 ~ 125 psi, convenient for on-site connection
- Automatic pressure holding and replenishment: automatically stops when force balance is reached, maintains pressure with zero air consumption, and restarts automatically to compensate for pressure loss upon leakage
- Pure air-driven design, no electric arcs or sparks, safely suitable for explosion-proof and hazardous areas
Model Series (Single-Drive Single-Acting, 9 Models)
| Model | Actual Ratio | Max.Out Press | Dis./Cycle | Max.Flow | Connections | Download | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| bar | psi | ml | cu.inch | L/min | Air drive port | Inlet Port | Outlet Port | Data Sheet | 2D | 3D | ||
| M31S-5 | 5.6:1 | 43 | 625 | 13.6 | 0.83 | 8.3 | 1/4"NPTF | 1"NPTF | 1/2"NPTF | |||
| M31S-7 | 7.8:1 | 62 | 900 | 9.8 | 0.60 | 6.0 | 1/4"NPTF | 3/4"NPTF | 1/2"NPTF | |||
| M31S-12 | 14:1 | 103 | 1500 | 5.9 | 0.36 | 3.83 | 1/4"NPTF | 3/4"NPTF | 1/2"NPTF | |||
| M31S-21 | 25:1 | 179 | 2600 | 3.3 | 0.20 | 2.13 | 1/4"NPTF | 3/8"NPTF | 1/4"NPTF | |||
| M31S-36 | 41:1 | 310 | 4500 | 2.0 | 0.12 | 1.28 | 1/4"NPTF | 3/8"NPTF | 1/4"NPTF | |||
| M31S-71 | 82:1 | 607 | 8800 | 1.0 | 0.06 | 0.64 | 1/4"NPTF | 3/8"NPTF | 1/4"NPTF | |||
| M31S-110 | 126:1 | 931 | 13500 | 0.6 | 0.039 | 0.42 | 1/4"NPTF | 3/8"NPTF | 1/4"NPTF | |||
| M31S-188 | 217:1 | 1034 | 15000 | 0.4 | 0.023 | 0.29 | 1/4"NPTF | 3/8"NPTF | 1/4"HF | |||
| M31S-220 | 237:1 | 1723 | 25000 | 0.34 | 0.021 | 0.22 | 1/4"NPTF | 3/8"NPTF | 1/4"HF | |||
Optional Configurations
Typical Applications
Use CasesStatic pressure test and burst test for valves, pipe fittings and pressure vessels
Performance test and calibration of pressure gauges and instruments
Testing of automotive brake systems and fuel injectors
Hydrostatic test for building material testing machines
Static and dynamic testing of aerospace accessories
Chemical reagent injection / chemical substance infusion into pipelines or reaction kettles
Fluid transfer in hazardous areas
Oil injection for lubrication systems of mechanical equipment (high-pressure lubricating oil filling)
High-pressure valve control power for wellhead control panels, pressure gauge calibration, and pressure testing of small pipelines and vessels
Power source for clamping, forming, drilling, shearing, stamping and other equipment
Overload protection of large presses, die cushioning and lifting power
Power for pressing in and pressing out of shaft sleeves and cylinder liners
Performance testing of hydraulic components (pressure boosting, residual liquid recovery, etc.)
Product FAQ
View all →A gas booster is a pneumatically driven intensifier that uses low-pressure drive gas (e.g. instrument air, typically 1–10 bar) on a large-area piston to compress process gas on the small-area end, producing high-pressure output. It requires no electricity, produces no sparks or heat, and is ideal for boosting, transferring, cylinder charging and gas recovery of nitrogen, natural gas, argon, helium, oxygen and hydrogen in hazardous areas. HIGH-PA air-driven gas boosters reach up to 39,000 psi (≈2,689 bar).